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Updated: Mar 26, 2026

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Computer Navigation-aided Resection of Sacral Chordomas.

Yong-Kun Yang, Chung-Ming Chan, Qing Zhang

  • 1Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking University, Beijing 100035, China.

Chinese Medical Journal
|February 3, 2016
PubMed
Summary

Computer navigation aids sacral chordoma resection, improving precision and oncological outcomes. This advanced technique is safe and feasible for experienced surgeons.

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Area of Science:

  • Neurosurgery
  • Orthopedic Oncology
  • Surgical Navigation

Background:

  • Resection of sacral chordomas presents significant challenges due to complex anatomy and difficulty achieving adequate margins.
  • High recurrence rates are associated with sacral chordoma surgery.
  • Computer navigation offers potential for enhanced preoperative planning and surgical precision.

Purpose of the Study:

  • To evaluate the safety and feasibility of computer navigation-assisted resection of sacral chordomas.
  • To assess the impact of computer navigation on surgical outcomes for sacral chordoma patients.

Main Methods:

  • A cohort of 26 patients with sacral chordoma (21 primary, 5 recurrent) underwent computer navigation-aided surgery between 2007 and 2013.
  • Three-dimensional imaging combined CT and MRI data for preoperative planning and intraoperative guidance.

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  • Tumors were resected via a posterior approach utilizing computer navigation assistance.

    • Main Results:

    • Mean operative time was 307 minutes with mean blood loss of 3065 ml.
    • The mean registration deviation for computer navigation was 1.7 mm, indicating high precision.
    • All patients survived, with a 7.7% tumor recurrence rate and a mean Musculoskeletal Tumor Society Score of 27.3.

    Conclusions:

    • Computer-assisted navigation is a safe and feasible technique for sacral chordoma resection.
    • This technology facilitates the execution of preoperative plans and leads to favorable oncological outcomes.
    • Successful application requires surgeons with substantial experience and skill in computer navigation.